Home / 83,131.40-124,714.60-26,967.12

Finding the Fourth Proportional to 83,131.40, 124,714.60 and 26,967.12

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Solution

The fourth proportional to 83,131.40, 124,714.60 and 26,967.12 is: 40,456.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,131.40 : 124,714.60 = 26,967.12 : x
  2. Step 2: Convert to fraction form
    83,131.40/124,714.60 = 26,967.12/x
  3. Step 3: Cross multiply
    83,131.40x = 124,714.60 × 26,967.12
  4. Step 4: Simplify right side
    83,131.40x = 3,363,193,200.54
  5. Step 5: Solve for x
    x = 3,363,193,200.54/83,131.40
  6. Step 6: Final answer
    x = 40,456.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.